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. 2021 Sep 25;21:352. doi: 10.1186/s12893-021-01353-6

Table 2.

Preoperative cytological examination by fine needle aspiration (FNA), reported according to Bethesda System

Frequency Percent
FNA Thyr 1 26 2.1
Thyr 2 195 15.6
Thyr 3 89 7.1
Thyr 4 205 16.4
Thyr 5 63 5.0
Thyr 6 137 10.9
Total 715 57.1
Non executed 537 42.9
Total 1252 100.0